PBDB Taxon

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Morphology	Ecology and taphonomy	External Literature Search	Age range and collections

Hipponix

Gastropoda - Hipponicidae

Taxonomy

Hipponyx was named by Defrance (1819) [Sepkoski's age data: K Albi-u R Sepkoski's reference number: 1066]. It is extant.

It was corrected as Hipponix by Woodring (1928), Harris and Palmer (1947), Woodring (1957), MacNeil (1960), Ladd (1972), Adegoke (1977), Dockery (1977), Zinsmeister (1983), Erdmann and Morra (1985), Wilson (1993), Todd (2001), Harzhauser (2004).

It was assigned to Neotaenioglossa by Sepkoski (2002); and to Hipponicidae by Defrance (1819), Woodring (1928), Durham (1944), Harris and Palmer (1947), Woodring (1957), MacNeil (1960), Abbass (1967), Ladd (1972), Adegoke (1977), Dockery (1977), Zinsmeister (1983), Erdmann and Morra (1985), Wilson (1993), Todd (2001), Harzhauser (2004).

Species lacking formal opinion data

H. badius, H. floridanus, H. lissus, H. tuba

Synonymy list

Year	Name and author
1819	Hipponyx Defrance
1928	Hipponix Woodring p. 373
1944	Hipponyx Durham p. 162
1947	Hipponix Harris and Palmer p. 265
1957	Hipponix Woodring p. 78
1960	Hipponix MacNeil p. 46
1967	Hipponyx Abbass p. 44
1972	Hipponix Ladd p. 53
1977	Hipponix Adegoke p. 126
1977	Hipponix Dockery p. 55
1983	Hipponix Zinsmeister p. 1292
1985	Hipponix Erdmann and Morra p. 293
1993	Hipponix Wilson p. 161
2001	Hipponix Todd
2002	Hipponix Sepkoski
2004	Hipponix Harzhauser p. 130

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Rank	Name	Author
kingdom	Animalia	()
—	Bilateria
—	Eubilateria	Ax 1987
—	Protostomia
—	Spiralia
superphylum	Lophotrochozoa
phylum	Mollusca

Rank	Name	Author
class	Gastropoda
subclass	Caenogastropoda	(Cox 1959)
—	Sorbeoconcha	(Ponder and Lindberg 1997)
—	Hypsogastropoda	(Ponder and Lindberg 1997)
superfamily	Hipponicoidea	Troschel 1861
family	Hipponicidae	Troschel 1861
genus	Hipponix	(Defrance 1819)

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

G. Hipponix Defrance 1819

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Subg. †Hipponix (Antisabia) Iredale 1917

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Antisabia panamensis Adams 1852

Invalid names: Hipponyx cranioides Carpenter 1864 [synonym]

Hipponix (Antisabia) foliacea Quoy and Gaimard 1834

Subg. Hipponix (Malluvium) Melvill 1906

Subg. Hipponix (Pilosabia) Iredale 1929

Hipponix antiquatus Linnaeus 1767 [white hoofsnail]

†Hipponix arnoldi Dickerson 1917

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Invalid names: Hipponyx ornata Dickerson 1917 [synonym]

Hipponix conicus Schumacher 1817

†Hipponix demissus Cox 1952

†Hipponix dichotomus Gabb 1864

†Hipponix interruptus Michelotti 1861

†Hipponix pristinus Zinsmeister 1983

Hipponix tumens Carpenter 1864 [ribbed hoofsnail]

†Hipponyx ainamurensis Abbass 1967

†Hipponyx carpenteri Arnold 1908

†Hipponyx ceras Woodring 1928

†Hipponyx conoides Abbass 1967

†Hipponyx cornucopae Lamarck 1802

†Hipponyx costata Erdmann and Morra 1985

†Hipponyx gomai Abbass 1967

†Hipponyx ovalis Abbass 1967

†Hipponyx pygmaea Lea 1833

†Hipponyx woodi Abbass 1967

Diagnosis

No diagnoses are available

Measurements

No measurements are available

Composition:

aragonitec

Locomotion:

facultatively mobilef

Attached:

yesf

Life habit:

epifaunalf

Diet:

grazerf

Diet 2:

suspension feederf

Vision:

limitedc

Created:

2009-09-10 08:00:55

Modified:

2009-09-10 10:00:55

Source: f = family, c = class

References: Kiessling 2004, Hendy et al. 2009

Age range

Maximum range based only on fossils: base of the Aptian to the top of the Holocene or 121.40000 to 0.00000 Ma
Minimum age of oldest fossil (stem group age): 113.2 Ma

Collections (315 total)

Time interval	Ma	Country or state	Original ID and collection number
Oldest occurrences
Aptian	121.4 - 113.2	United Kingdom (England)	H. neocomiensis (1775)
Late/Upper Albian	106.3 - 100.5	Angola	Hipponyx sp. (210733)
Late/Upper Campanian	83.6 - 72.2	USA (California)	H. dichotomus (167697)
Middle Campanian	83.6 - 72.2	USA (California)	Helcion dichotoma (72056) H. dichotomus (185368)
Danian	66.0 - 61.66	Belgium	H. inevolutus (22931)
Danian	66.0 - 61.66	Greenland	H. sp. (22943)
Danian	66.0 - 61.66	Puerto Rico	H. sp. (87547)
Danian	66.0 - 61.66	Denmark	H. sp. (176994)
Danian	66.0 - 61.66	France	H. consobrinus (20816)
Paleocene	66.0 - 56.0	Egypt	H. ainamurensis (2952)
Selandian	61.66 - 59.24	Nigeria	H. demissus (7791)
Selandian	61.66 - 59.24	Greenland	H. sp. (22944 22945)
Thanetian	59.24 - 56.0	Poland	H. imbricataria, H. inevolutus, H. sp. (27018) H. tuba, H. sp. (27019)
Thanetian	59.24 - 56.0	USA (California)	H. pristinus (205554)
Ypresian	56.0 - 48.07	USA (Alabama)	H. sylvaerupis (80776 98277)
Lutetian	48.07 - 41.03	USA (Alabama)	H. pygmaeus (1438 1440 1442)
Lutetian	48.07 - 41.03	France (Picardie)	H. cornucopiae (178083) H. spirirostris (178119)
Lutetian	48.07 - 41.03	USA (Texas)	H. pygmaeus (205421 205496) H. sp. (205539) Hipponyx sp. (205479)
Lutetian	48.07 - 41.03	Bulgaria (Vidin)	H. comptus (102295)
Lutetian	48.07 - 41.03	Egypt	H. ovalis, H. conoides (2955)